Lepidostroma vilgalysii, a new basidiolichen from the New World
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The lichenized basidiomycete Lepidostroma vilgalysii from Mexico is described based on morphological analyses. The species is only the second representative of the family Lepidostromataceae documented from the New World, and is one of the few described lichens with an inverted morphology, with the algae in a layer at the base of the thallus. Molecular sequence data from the nuclear ribosomal LSU locus are used to confirm the placement of the holotype in Lepidostroma and to evaluate the molecular distinctiveness of the species from all other described species in the family and genus.
KeywordsLepidostromataceae Basidiomycota Lichen-forming fungi Mexico Trans-Mexican Volcanic Belt Phylogenetic constraint
Rytas Vilgalys is thanked for collecting the new species and providing the facilities for its investigation using molecular techniques. We gratefully acknowledge the assistance that Richard Harris and Roy Halling provided with dissection and illustration. Curators and staff of BR and LG are thanked for their help with specimen loans. This research was funded in part by a Diversa Award to BPH from the Explorer’s Club Exploration Fund ["Lichen-Associated Bacterial Diversity in the Trans-Mexican Volcanic Belt"]. Funding for field collecting by MES was provided by the Harvard University Herbaria. We would like to thank John Pormann and Tom Milledge for their service and assistance with the Duke Shared Cluster Resource. Many thanks are due to Arturo Estrada-Torres and Greg Bonito for coordinating the collecting expedition in Mexico, funding for which was provided in part by National Science Foundation award DEB-0641297 ["REVSYS: Phylogenetic and Revisionary Systematics of North American Truffles (Tuber, Ascomycota)"].
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